Engineering Materials Pick up wrong statement about wrought iron It is very soft and ductile It contains carbon of the order of 0 to 0.25% It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It melts at 1535°C It is very soft and ductile It contains carbon of the order of 0 to 0.25% It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It melts at 1535°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free carbon in iron makes the metal Soft and gives a coarse grained crystalline structure Hard and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a fine grained crystalline structure Soft and gives a coarse grained crystalline structure Hard and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The charge is fed into the blast furnace through the Tyres Bosh Throat Stack Tyres Bosh Throat Stack ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about case hardening? Case hardening is done by Cyaniding Nitriding Induction hardening Electroplating Cyaniding Nitriding Induction hardening Electroplating ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Shot peening Nitriding of surface Cold working Surface decarburisation Shot peening Nitriding of surface Cold working Surface decarburisation ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties ANSWER DOWNLOAD EXAMIANS APP